The NACHI VDS-0B-1A3-10 and VDC-1B-1A5-20 are premium variable volume hydraulic vane pumps engineered for high-efficiency performance in demanding industrial applications. Manufactured in Japan to exacting standards, these pumps feature a heavy-duty cast iron housing that ensures exceptional durability and a long service life. Each unit is designed with a standard mounting flange equipped with bolt holes for secure installation, a precision-machined drive shaft (available in spline or keyed configurations), clearly marked IN/OUT pressure ports, and a convenient oil filler port cap. Delivering stable and precise variable fluid displacement, these NACHI vane pumps provide reliable fluid power solutions for optimizing modern industrial hydraulic systems.